Honeywell T775 Series User Manual

T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS
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T775R Replacement for W964F Aquatrol
Panel with Floating Actuator (continued)
In this replacement application, the T775R provides the
following, as described in Table 4.
Table 4. T775R Replacement for W964F
Component/Function W964F Aquatrol T775R Replacement
Sensors T7044A or T7043A
T7043B
Sensor A - Standard 1097 Ohm temperature sensor.
Sensor B - Standard 1097 Ohm temperature sensor.
See “Temperature Sensors” on page 3.
Reset ratio and parallel shift n/a Reset programming in the T775R provides the reset curve.
On/Off motor control Jumper terminals 1
and 2 on the W964F
If the W964F provided On/Off motor control, then wire motor to a relay output
on the T775R to provide On/Off control.
Actuator motor speed n/a Use the Integral Time and Throttling Range to tune the T775R control.
Differential n/a Use the Throttling Range to tune the T775R control.
Program setback n/a The T775R provides Setback and alternate setpoint programming parameters.
Motor M944B Series 90, 4-20 mA, 0-10 Vdc, or 2-12 Vdc motor may be used.

Honeywell T775 Series Specifications

General

Control Type	Electronic
Display	LCD
Operating Temperature	-40°F to 150°F (-40°C to 65°C)
Application	HVAC Control
Inputs	Universal inputs (supports thermistor, 4-20mA, 0-10V, etc.)
Outputs	Relay
Power Supply	24 VAC
Temperature Range	-40°F to 150°F (-40°C to 65°C)
Mounting	Panel Mount
Humidity Range	5 to 95% RH, non-condensing
Communication	Optional
Certifications	UL, CE